Litholytic Therapy for Coral Urate Nephrolithiasis

* Coral-shaped calculus, which fills one or more calyx and pelvis (K2-K4 according to the classification of coral-shaped concretions); * The urate composition of the kidney stone was confirmed using dual-energy MSCT; * Unimpaired or restored (by draining the kidney) urine outflow from the kidney; * Persistently acidic urine pH (pH 5.8 or less); * Stone density is 550 Hounsfield units or less; * Informed voluntary consent of the patient to participate in the study; * Patient's readiness for conservative treatment; * No contraindications to therapy with citrate mixtures;